The Critical Role of Surface Dipoles in CsPbI₃ Perovskite Solar Cells

Key Points

• The study aims to explore the impact of surface dipoles on the performance of CsPbI₃ perovskite solar cells.
• Investigation of surface treatment techniques for the perovskite active layer.
• Evaluation of photovoltaic performance metrics pre- and post-modification.
• Analysis of interfacial charge transfer dynamics.
• Surface dipoles significantly enhance charge carrier mobility.
• Improvements in power conversion efficiency were observed.
• Effective surface treatments led to increased stability of solar cells.